2216323513 has 2 divisors, whose sum is σ = 2216323514. Its totient is φ = 2216323512.

The previous prime is 2216323471. The next prime is 2216323531. The reversal of 2216323513 is 3153236122.

Together with next prime (2216323531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1216056384 + 1000267129 = 34872^2 + 31627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216323513 is a prime.

It is a super-2 number, since 2×2216323513² = 9824179828553322338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2216327513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108161756 + 1108161757.

It is an arithmetic number, because the mean of its divisors is an integer number (1108161757).

Almost surely, 2^2216323513 is an apocalyptic number.

It is an amenable number.

2216323513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216323513 is an equidigital number, since it uses as much as digits as its factorization.

2216323513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 2216323513 is about 47077.8452459328. The cubic root of 2216323513 is about 1303.8002239605.

Adding to 2216323513 its reverse (3153236122), we get a palindrome (5369559635).

The spelling of 2216323513 in words is "two billion, two hundred sixteen million, three hundred twenty-three thousand, five hundred thirteen".